JPH03681B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a simple recording/playback device, and in particular, to a simple recording/playback device, a first movable device supported by a tone arm when the tone arm reaches the playback end point of a record disc. In addition to disposing a contact, the tone arm is connected to a fixed contact before reaching the playback end point, and the tip portion faces the playback end point without being connected to the first movable contact. By providing the second movable contact, before the tone arm reaches the playback end point, a circuit consisting of the first motor, the second movable contact, the fixed contact, and the power supply for driving the record is formed. When the tone arm reaches the playback end point, the tone arm supports the first movable contact and the second movable contact, joins both contacts, and simultaneously separates the second movable contact from the fixed contact. This forms a circuit consisting of a second motor for driving an external device, the second movable contact, the first movable contact, and a power supply. To provide a means for stopping the reproduction of a recording and switching to driving an external device, and further to provide a simple structure of a pressing operation rod for returning a tone arm to a reproduction starting point.

Simple recording and playback machines that use a motor to rotate a record and play back recordings are already available.

However, this conventional device only performs a simple operation of reproducing the recorded sound. However, this type of simple recording/playback device is not suitable for dolls,
They are often incorporated into toys, and as a result, there is a desire to have them operate in conjunction with other movements of the doll or toy.

The present invention satisfies such demands, and its purpose is to automatically switch to operation of a motor for driving an external device at the same time as ending playback of a recording in a simple recording/playback device. The object of the present invention is to provide a simple means for setting a simple recording/playback device to a state for starting playback.

That is, this application discloses, as in the illustrated embodiment, a record disc 3 which is pivotally supported in a casing 1 so as to be rotated by a first motor M1, and a record disc 3 that is rotatably supported in a casing 1 so as to be rotated by a first motor M1. A tone arm 8 having a pickup 6 that moves from a playback start point to a playback end point, the pickup 6 being always biased toward the playback start point by a return spring 5, a speaker 27, and a sound carrier. 22
In a simple recording/playback device for dolls, toys, etc., which is equipped with a speaker unit SP installed so that the pickup 6 slides into contact with the speaker unit SP,
A first movable contact 12 faces the playback end point in the rotation plane of the pickup 6 and is supported by the pickup 6 at the playback end point, and a first movable contact 12 is connected to a fixed contact 14 before the pickup 6 reaches the playback end point. The tip faces the playback end point in the rotation plane of the pick-up 6 without being connected to the first movable contact 12, and when the pick-up 6 reaches the playback end point, the push of the pick-up 6 and a second movable contact 13 connected to the first movable contact 12 at the same time as disposed apart from the fixed contact 14;
forming a circuit of the movable contact 13, the fixed contact 14, the first motor M1, and the power source E;
A second motor M2 for a doll or toy is connected to the circuit between the first movable contact 12 and the second motor M2.
The specific invention is a switching circuit arrangement characterized in that the movable contacts 13 - are connected via the circuit of the power source E, and furthermore, the movable contacts 13 are provided in the casing 1 and are pivotably supported to be rotated by the first motor M1. It has a record disc 3 and a pick-up 6 that moves along the recording groove of the record disc 3 from a playback start point to a playback end point, and a return spring 5 always moves the pick-up 6 toward the playback start point. The pickup 6 is made up of a biased tone arm 8, a speaker 27, and a sound conductor 22, and is biased by a stylus pressure spring 24 against the recording surface of the record 3 so that the pickup 6 slides. In a simple recording/playback device for dolls, toys, etc., which is equipped with a speaker unit SP installed so as to be in contact with the speaker unit SP, a first speaker unit SP facing the playback end point in the rotation plane of the pick-up 6 and supported by the pick-up 6 at the playback end point. The movable contact 12 of the pickup 6 is connected to the fixed contact 14 before reaching the regeneration end point, and the tip thereof is connected to the first movable contact 12 at the regeneration end point in the rotation plane of the pickup 6. When the pick-up 6 reaches the end point of playback, the pressure of the pick-up 6 connects to the first movable contact 12, and the second movable contact 13, which is disposed away from the fixed contact 14, connects to the first movable contact 12. and the second movable contact 13-
A circuit of the fixed contact 14 - the first motor M1 - the power supply E is formed, and a second motor M2 for dolls and toys is connected to the circuit of the first movable contact 12 - the first motor M1 - the power supply E. 2 movable contact 13-
associated via a circuit of the power source E;
a slope 15c capable of lifting the speaker unit SP against the bias of the needle pressure spring 24;
The pressing operation rod 15 formed with a
5, and has elasticity that allows the pressing operation rod 15 to return to its original position when the pressing force is released, and is engaged with the mounting holding portion 15e in the casing 1. , the structure provided with is considered to be a merged invention.

In the present invention, the first movable contact faces the playback end point in the rotation plane of a pick-up formed at the tip of the tone arm and is supported by the pick-up at the playback end point; Before reaching
The tip of the pick-up faces the playback end point in the rotation plane of the pick-up in a state where it is not connected to the first movable contact, and when the pick-up reaches the playback end point, the pick-up a second movable contact that is joined to the first movable contact by pressing and is placed away from the fixed contact; the second movable contact - the fixed contact - the first motor - the power source E. As well as forming a circuit, a second motor for dolls and toys,
The first movable contact, the second movable contact, and the power source are connected to the circuit through a circuit.

Therefore, when one recording and playback is completed, the operation automatically switches to the operation of an external device, and this simple recording and playback device can be applied to dolls and toys to reproduce their vocalizations and other actions. This can be performed in conjunction with the sound production operation, resulting in an interesting instrument. In addition, as a means for returning the tip of the tone arm, that is, the pick-up, to the playback starting point, a press operation rod was used, and this is also equipped with a slope that allows the speaker unit to be lifted up against the bias of the stylus pressure spring. and a mounting holding part that is engaged in the casing and has an elasticity that returns the pressing operating rod to its original position when the pressure on the pressing operating rod is released, is integrally formed. .

Therefore, the structure related to the push lever for returning the pickup to the playback starting point becomes extremely simple, contributing to the simplification of the overall configuration.

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. That is, FIG. 1 is a plan view of the casing 1 with the housing removed. So what you see here is the palm part of the casing. In the figure, 1' is the top plate of the chassis, and 10 is a battery magazine.
The motor M1 is fixed. This first motor M1 is used as a record drive motor that rotates a record record 3, which will be described later. The battery magazine 10 of the casing 1
and the position where the first motor M1 is provided.
A tone arm 8 is pivotally mounted by a pin 7 on the face plate 1' between the position where the tone arm 8 is fixed.

As shown in detail in Fig. 2, the record 3 is
A turntable 18 is mounted and fixed on the back surface of the chassis of the casing 1, which is pivotally connected to a center pin 17 that is erected toward the inside. The turntable 18 has a pulley on its circumferential surface. 1st
Output shaft MS of motor M1 and turntable 18
A belt 19 made of an elastic member is stretched between the two. As shown in FIG. 2, at the center of the turntable 18 there is a boss 18' provided to securely hold the record 3, and at the center there is an elastic boss 18' to which the record 3 is attached. There is a mounting portion 18a.

The needle pressure spring 24 has a plate shape and is fixed to a mounting portion 24a formed on the face plate 1' of the casing 1 with a screw 24b. The tip of the stylus pressure spring 24 connects the speaker unit SP to a portion not supported by the support 21 and biases it toward the recording surface of the record 3. A wide passage 25 is formed in the face plate 1' along the trajectory of the aforementioned pickup 6 of the tone arm 8, and a wide passage 25 is opened in the vicinity of the center of the record 3, and the record 3 is attached through the round opening. A mounting portion 18a faces onto the face plate 1'.

The upper side of the pickup 6 of the tone arm 8 is in sliding contact with the lower surface of the sound conductor 22 on the lower side of the sound conductor 22 of the speaker unit SP.

The reproduction stylus 26 of the pickup 6 is pushed by the pressure of the stylus pressure spring 24 and pressed against the upper surface of the record 3. Therefore, the pick-up 6 supports and slides on the portion of the speaker unit SP that is not supported by the pillar 21, and stylus pressure is applied to the pick-up 6.

Next, the switch mechanism 11 for switching between the first motor M1 and the second motor M2 will be explained. The switch mechanism 11 includes a first movable contact 12 and a second
It is composed of a movable contact 13 and a fixed contact 14. Here, the second movable contact 13 is biased so as to be connected to the fixed contact 14 when the pick-up 6 does not reach the regeneration end point, and this switch mechanism 11 is used to operate the first motor M1. form a circuit. Further, a spring material is used for the first movable contact 12 and the second movable contact 13, and the spring material itself is biased in the necessary direction. The first movable contact 12 has a pick-up 6
does not reach the regeneration end point, the second movable contact 13
When the tone arm 8 reaches the end point of playback of the record 3, it is supported by the tone arm 8 and connected to the second movable contact 13, and at the same time, the tone arm 8 is moved away from the second movable contact 13. 2 movable contact 1
3 away from the fixed contact 14, the circuit is formed to stop driving the first motor M1 and operate the second motor M2. When the tone arm 8 reaches the end point of reproduction, the first motor M1 stops, and the rotation of the record 3 stops. A pressing operation lever 15 is provided on the end portion of the chassis top plate 1' opposite to the portion where the first motor M1 is provided. This pressing operation rod 15 is molded from synthetic resin and consists of a pressing portion 15a that protrudes outside the casing 1, a rod portion 15b, and a protrusion 15d having an inclined surface 15c provided on the rod portion 15b. , this pressing operation rod 15 has an attachment holding portion 15 that branches in an arc shape on both sides from the rod portion 15b.
e and 15e are integrally formed, and furthermore, attachment portions 15f and 15f are integrally formed on the attachment holding portions 15e and 15e, protruding from each tip in a right angle direction. The pressing operation rod 15 is provided with long holes 9, 9 on the battery magazine 10 of the face plate 1' of the chassis, and attaching portions 15f, 15f are attached to the long holes 9, 9.
is inserted, and the engaging surface 15c of the protrusion 15d is arranged in a direction in which it abuts the speaker unit SP from below. Therefore, the pressing portion 15 of the pressing operation rod 15
When a is pushed inward of the casing 1, the protrusion 15
The engaging surface 15c of d contacts the speaker, and when pushed further, the speaker is lifted upward along the inclined surface 15c. Thus, the stylus pressure of the playback needle 26 of the pickup 6 is released, and the tone arm 8 is biased by the return spring 5 to move the record 3
Return to the playback starting point. At the same time that the tone arm 8 returns to the playback starting point, the first movable contact 12 and the second movable contact 13 return to their original positions, and the second
A movable contact 13 is joined to a fixed contact 14. Once again, the electric circuit is established and the first motor M1 operates to rotate the record disc 3. Here, when the pressure on the push operation lever 15 is released, the push operation lever 15
returns to its original position by the elasticity of the attachment and holding parts 15e, 15e, the inclined surface 15c releases its support from the speaker unit SP, the speaker unit SP descends, and stylus pressure is applied to the pickup 6 again. Thus, the reproduction needle 26 anastomoses with the recording groove and reaches the reproduction end point. Thus, the first motor M1 stops.

The second motor, indicated by M2 in the figure, is used for various purposes such as moving the arms and legs of dolls, toys, etc., and walking. It is connected to one end of the switch S and the first movable contact 12 of the switch mechanism 11 with a lead wire.

When the pick-up 6 reaches the playback end point, the first movable contact 12 is supported by the pick-up 6 and joined to the second movable contact 13, and the second movable contact 13 is connected to the fixed contact 14. Thus, a circuit in which only the second motor M2 operates is established.

Next, the method of connecting the electric circuit of the present invention will be explained in detail with reference to FIG. The positive side of the power source E is connected to the first motor M1 and the second motor M2 via the switch S, and the negative side of the power source E is connected to the base end of the second movable contact 13. The second movable contact 13 is connected only to the other end of the first motor M1 via a fixed contact 14. Thus, before the pickup 6 reaches the end point of reproduction, a circuit of power source E, second movable contact 13, fixed contact 14, and first motor M1 is established.

The tip of the second movable contact 13 is connected to the pick-up 6
When the pick-up 6 reaches the playback end point in the rotation plane, the pick-up 6
The first movable contact 12 is supported by the second movable contact 13, and the power source E is connected to the first movable contact 12-second movable contact 13-second motor M2 circuit. .

Next, the operation of this invention will be explained. Third
The figure shows a state in which the switch S is open, and an electric circuit is not established, so the first motor M1 and the second motor
Motor M2 is stopped. Here, when the switch S is closed, the battery E-first motor M1
- Fixed contact 14 - Second movable contact 13 - Current flows through the power source E, so the first motor M1 operates,
The record 3 rotates and the pickup 6 starts playing. When the pick-up 6 reaches the playback end point of the record 3, it pushes the first movable contact 12, and when the pick-up 6 moves further along the record 3, the first movable contact 12
is joined to the second movable contact 13, and the second movable contact 13 is pushed and separated from the fixed contact 14.

As a result, no current flows through the first motor circuit, and the first motor M1 stops operating. In this way, the record 3 stops rotating and the tone arm 8 also stops at that position. At this time, instead of the first motor M1 stopping, the circuit of the second motor M2, that is, the power supply E-second
Current flows through the motor M2 - the first movable contact 12 - the second movable contact 13, and the second motor M2
Drive and move the limbs of dolls, toys, etc. again,
When switching to the first motor M1, the push lever 15 is pushed to return the pickup 6 to the playback starting point. Thus, the first movable contact 12 moves away from the second movable contact 13 due to its elasticity, and moves away from the second movable contact 13.
The movable contact 13 also connects the fixed contact 14 due to its elasticity, and the first motor M1 is operated again, and the record disc 3 starts rotating. Then, the pressure on the pressing operation rod 15 is released and the reproducing needle is anastomosed with the recording groove.

[Brief explanation of drawings]

Fig. 1 is a plan view of the casing with the housing removed, Fig. 2 is a vertical sectional view of the main parts of the device,
FIG. 3 is an electrical circuit diagram. 1...Casing, 3...Record, 5...
Return spring, 6... Pickup, 8... Tone arm, 11... Switch mechanism, 12... First movable contact, 13... Second movable contact, 14...
...Fixed contact, 15...Press operation rod, 15a...Press portion, 15c...Slope, 15d...Protrusion, 15
e...Mounting holding part, 17...Center pin, 26...
...Regeneration needle, M1...first motor, M2...second
motor, E...power supply, 22...sound conductor, 27...
...Speaker.

Claims (1)

[Claims] 1. A record disk pivotally supported in a casing so as to be rotated by a first motor, and a record disk that moves along a recording groove of the record disk from its playback start point to its playback end point. a tone arm having a pick-up, the pick-up being always biased toward the playback start point by a return spring, a speaker and a speaker comprising a sound conductor and installed so that the pick-up slides into contact with the tone arm; A simple recording/playback device for dolls, toys, etc., comprising a first movable contact facing the playback end point in the rotation plane of the pick-up and supported by the pick-up at the playback end point; Before reaching the end point, it is connected to a fixed contact, and the tip faces the regeneration end point in the rotation plane of the pick-up without being connected to the first movable contact, and the pick-up is at the regeneration end point. , the second movable contact is connected to the first movable contact by the pressure of the pick-up and is arranged away from the fixed contact, and the second movable contact - the fixed contact - the first A second motor for the doll or toy is connected to the circuit through the first movable contact, the second movable contact, and the power supply circuit. A switching circuit configuration characterized in that: 2. In the casing, there is a record disk which is pivotally supported to be rotated by a first motor, and a pick-up which moves along the recording groove of the record disk from the playback start point to the playback end point. , a tone arm configured to urge the pick-up toward a playback start point by a return spring, a speaker, and a sound conductor, and is attached to the recording surface of the record by a stylus pressure spring. In a simple recording/playback device for dolls, toys, etc., which is equipped with a speaker unit installed so that the pick-up slides in contact with the pick-up, the speaker unit is positioned facing the playback end point in the rotation plane of the pick-up, and is supported at the playback end point by the pick-up. The first to be
The movable contact of the pick-up is connected to a fixed contact before the pick-up reaches the playback end point, and the tip thereof faces the playback end point in the rotation plane of the pick-up without being connected to the first movable contact. and a second movable contact arranged to be connected to the first movable contact by the pressure of the pick-up and separated from the fixed contact when the pick-up reaches a playback end point, and the second movable contact - the fixed contact - the first motor - forms a power supply circuit, and connects the second motor for the doll or toy to the circuit with the first movable contact -
The second movable contact is associated with the power source through a circuit, and further includes a pressing operation rod formed with a slope capable of lifting the speaker unit against the urging force of the stylus pressure spring, and the mounting operation thereof. an attachment holding part that is formed integrally with the rod and is engaged in the casing and has elasticity to return the pressing operation rod to its original position when the pressing force is released. structure.